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authorDamjan Marion <damarion@cisco.com>2023-04-04 17:06:26 +0000
committerOle Tr�an <otroan@employees.org>2023-04-06 08:00:08 +0000
commit5294cdc79213a8703f70d9a300b0c5806c788ca4 (patch)
treedcf97886f8331b832a46ca71e9f4bb5a61358373 /src/vlib/node_funcs.h
parent1315d14d4c022d6fcfe43e6223b8ff557508b31f (diff)
vppinfra: refactor uword bitmaps
Type: improvement Change-Id: I4f05a0435825cd23b8ad8a6f8f1397e60c522319 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vlib/node_funcs.h')
-rw-r--r--src/vlib/node_funcs.h46
1 files changed, 22 insertions, 24 deletions
diff --git a/src/vlib/node_funcs.h b/src/vlib/node_funcs.h
index 9e0825b65cb..9f10d16c27f 100644
--- a/src/vlib/node_funcs.h
+++ b/src/vlib/node_funcs.h
@@ -1406,17 +1406,26 @@ vlib_frame_bitmap_init (uword *bmp, u32 n_first_bits_set)
static_always_inline void
vlib_frame_bitmap_set_bit_at_index (uword *bmp, uword bit_index)
{
- bmp += bit_index / uword_bits;
- bit_index %= uword_bits;
- bmp[0] |= 1 << bit_index;
+ uword_bitmap_set_bits_at_index (bmp, bit_index, 1);
}
static_always_inline void
_vlib_frame_bitmap_clear_bit_at_index (uword *bmp, uword bit_index)
{
- bmp += bit_index / uword_bits;
- bit_index %= uword_bits;
- bmp[0] &= ~((uword) 1 << bit_index);
+ uword_bitmap_clear_bits_at_index (bmp, bit_index, 1);
+}
+
+static_always_inline void
+vlib_frame_bitmap_set_bits_at_index (uword *bmp, uword bit_index, uword n_bits)
+{
+ uword_bitmap_set_bits_at_index (bmp, bit_index, n_bits);
+}
+
+static_always_inline void
+vlib_frame_bitmap_clear_bits_at_index (uword *bmp, uword bit_index,
+ uword n_bits)
+{
+ uword_bitmap_clear_bits_at_index (bmp, bit_index, n_bits);
}
static_always_inline void
@@ -1451,35 +1460,24 @@ vlib_frame_bitmap_and (uword *bmp, uword *bmp2)
bmp++[0] &= bmp2++[0];
}
-static_always_inline u32
+static_always_inline uword
vlib_frame_bitmap_count_set_bits (uword *bmp)
{
- u32 n_left = VLIB_FRAME_BITMAP_N_UWORDS;
- u32 count = 0;
- while (n_left--)
- count += count_set_bits (bmp++[0]);
- return count;
+ return uword_bitmap_count_set_bits (bmp, VLIB_FRAME_BITMAP_N_UWORDS);
}
static_always_inline uword
vlib_frame_bitmap_is_bit_set (uword *bmp, uword bit_index)
{
- bmp += bit_index / uword_bits;
- bit_index %= uword_bits;
- return (bmp[0] >> bit_index) & 1;
+ return uword_bitmap_is_bit_set (bmp, bit_index);
}
-static_always_inline int
+static_always_inline uword
vlib_frame_bitmap_find_first_set (uword *bmp)
{
- uword *b = bmp;
- while (b[0] == 0)
- {
- ASSERT (b - bmp < VLIB_FRAME_BITMAP_N_UWORDS);
- b++;
- }
-
- return (b - bmp) * uword_bits + get_lowest_set_bit_index (b[0]);
+ uword rv = uword_bitmap_find_first_set (bmp);
+ ASSERT (rv < VLIB_FRAME_BITMAP_N_UWORDS * uword_bits);
+ return rv;
}
#define foreach_vlib_frame_bitmap_set_bit_index(i, v) \